CaratHunter
Plans
Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG825654007

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825654007

Diamond specifications and retailer prices

From $394 AUD
$277 USD
As of November 1, 2026
Save $2,866 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,260 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825654007 or 825654007. Listed at 25 retailers as of October 31, 2026, with prices from $394 to $3,260, a $2,866 spread on the same certified stone. Brilliant Earth lists it at $3,260. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654007
Dimensions9.65 × 6.44 × 4.15 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.44 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654007
Side View
Table 62.0%Crown 33.7°Girdle: Slightly ThickPavilion 42.1°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,260 AUD|Low: $379 AUD|High: $3,360 AUD|Avg: $1,214 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5$394 AUD
Retailer 8$440 AUD
Retailer 11$457 AUD
Retailer 9$488 AUD
Retailer 4$519 AUD
Retailer 16$655 AUD
Retailer 19$712 AUD
Retailer 20$768 AUD
Retailer 2$842 AUD
Retailer 14$860 AUD
Retailer 12$975 AUD
Retailer 18$1,135 AUD
Retailer 15$1,170 AUD
Retailer 10$1,570 AUD
Retailer 6$1,879 AUD
Retailer 17$1,954 AUD
Retailer 13$1,956 AUD
Retailer 7$2,047 AUD
Retailer 3$2,114 AUD
Brilliant Earth$3,260 AUD

41 data points across 20 retailers

25 retailers$394 AUD to $3,260 AUD

A
Cheapest Retailer
-
$394 AUD
$277 USD
A
Retailer 2
-
$440 AUD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$457 AUD
$321 USD
View
Retailer 4
-
$488 AUD
$343 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$488 AUD
$343 USD
View
Retailer 6
-
$519 AUD
£287 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
-
$655 AUD
$460 USD
View
A
Retailer 8
-
$712 AUD
$500 USD
View
A
Retailer 9
-
$768 AUD
€514 EUR
View
A
Retailer 10
-
$842 AUD
ZAR 9,554 ZAR
View
A
Retailer 11
-
$860 AUD
£476 GBP
View
A
Retailer 12
-
$975 AUD
$685 USD
View
B+
Retailer 13
-
$1,029 AUD
$723 USD
View
B+
Retailer 14
-
$1,052 AUD
$739 USD
View
B+
Retailer 15
-
$1,135 AUD
View
B+
Retailer 16
-
$1,170 AUD
$822 USD
View
B+
Retailer 17
-
$1,570 AUD
$1,103 USD
View
B+
Retailer 18
-
$1,642 AUD
$1,153 USD
View
B
Retailer 19
-
$1,879 AUD
$1,320 USD
View
B+
Retailer 20
-
$1,954 AUD
View
B
Retailer 21
-
$1,956 AUD
£1,082 GBP
View
B
Retailer 22
-
$2,027 AUD
$1,424 USD
View
B
Retailer 23
-
$2,047 AUD
$1,438 USD
View
B+
Retailer 24
-
$2,114 AUD
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21202258A · Oct 31
$3,260 AUD
$2,290 USD
View
24 more retailers have this diamond
Prices start from $394 AUDSave up to $2,866 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.66ct Oval
$394 AUD